DE69942391D1 - BLOODY MEASUREMENT OF ANALYTES FROM BLOOD - Google Patents

BLOODY MEASUREMENT OF ANALYTES FROM BLOOD

Info

Publication number
DE69942391D1
DE69942391D1 DE69942391T DE69942391T DE69942391D1 DE 69942391 D1 DE69942391 D1 DE 69942391D1 DE 69942391 T DE69942391 T DE 69942391T DE 69942391 T DE69942391 T DE 69942391T DE 69942391 D1 DE69942391 D1 DE 69942391D1
Authority
DE
Germany
Prior art keywords
light
blood
measurement
patient
spectrally
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69942391T
Other languages
German (de)
Inventor
Dawood Parker
David Keith Harrison
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Whitland Research Ltd
Original Assignee
Whitland Research Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GBGB9814464.5A external-priority patent/GB9814464D0/en
Priority claimed from GBGB9824899.0A external-priority patent/GB9824899D0/en
Priority claimed from GBGB9825243.0A external-priority patent/GB9825243D0/en
Application filed by Whitland Research Ltd filed Critical Whitland Research Ltd
Application granted granted Critical
Publication of DE69942391D1 publication Critical patent/DE69942391D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/14532—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue for measuring glucose, e.g. by tissue impedance measurement
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • A61B5/14551—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Molecular Biology (AREA)
  • Optics & Photonics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Emergency Medicine (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

An apparatus for the measurement of at least one analyte in the blood of a patient, which includes a light source generating broadband light and a light-transmission arrangement having a plurality of transmitting fibers is positioned for simultaneously transmitting multiple wavelengths of the broadband light from the light source to the blood of the patient. The measurement apparatus further includes an optical fiber arrangement having a plurality of light detector fibers for leading multi-wavelength light, in spectrally unseparated form, transmitted through, or reflected from, the blood and a light detection arrangement for receiving the multi-wavelength light in its spectrally unseparated form from the optical fiber arrangement, for spectrally decomposing the received light, and for determining amplitudes of selected wavelengths of the decomposed light. The measurement apparatus utilizes a non-pulsatile element of the patient's blood for determining the measurement of at least one analyte in the blood as a function of the amplitudes of the selected wavelengths.
DE69942391T 1998-07-04 1999-07-02 BLOODY MEASUREMENT OF ANALYTES FROM BLOOD Expired - Lifetime DE69942391D1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GBGB9814464.5A GB9814464D0 (en) 1998-07-04 1998-07-04 Monitor
GBGB9824899.0A GB9824899D0 (en) 1998-11-13 1998-11-13 Monitor
GBGB9825243.0A GB9825243D0 (en) 1998-11-19 1998-11-19 Monitor
PCT/GB1999/002127 WO2000001294A1 (en) 1998-07-04 1999-07-02 Non-invasive measurement of blood analytes

Publications (1)

Publication Number Publication Date
DE69942391D1 true DE69942391D1 (en) 2010-07-01

Family

ID=27269382

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69942391T Expired - Lifetime DE69942391D1 (en) 1998-07-04 1999-07-02 BLOODY MEASUREMENT OF ANALYTES FROM BLOOD

Country Status (6)

Country Link
US (4) US6990365B1 (en)
EP (1) EP1094745B1 (en)
AT (1) ATE468068T1 (en)
AU (1) AU4634799A (en)
DE (1) DE69942391D1 (en)
WO (1) WO2000001294A1 (en)

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US6990365B1 (en) 2006-01-24
US7424317B2 (en) 2008-09-09
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US20080132771A1 (en) 2008-06-05

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